Home / 72,529.19-100,097.48-48,705.47

Finding the Fourth Proportional to 72,529.19, 100,097.48 and 48,705.47

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Solution

The fourth proportional to 72,529.19, 100,097.48 and 48,705.47 is: 67,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529.19 : 100,097.48 = 48,705.47 : x
  2. Step 2: Convert to fraction form
    72,529.19/100,097.48 = 48,705.47/x
  3. Step 3: Cross multiply
    72,529.19x = 100,097.48 × 48,705.47
  4. Step 4: Simplify right side
    72,529.19x = 4,875,294,809.22
  5. Step 5: Solve for x
    x = 4,875,294,809.22/72,529.19
  6. Step 6: Final answer
    x = 67,218.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.